W681308DG Datasheet, PDF (17/64 Pages) Nuvotem Talema – W681308 USB Audio Controller from Nuvoton integrates fast 8051 Microcontroller Unit (MCU)

W681308
XXXX PRODUCT DESCRIPTION
Address
0x1614~
0x1615
0x1616~
0x1617
0x1618~
0x1619
0X161A~
0X161B
0X161C~
0X161D
0X161E~
0X161F
0x1620~
0x1621
0x1622~
0x1623
0x1624
0x1625
0x1626
0x1628
0x1629
0x162A
0x162B~
0x162C
0x162D
0x162E
0x1630
0x1631-
0x1632
0x1633
0x1634~
0x1635
0x1638
0x1639
Name
Voice Detect Deviation
Threshold
Voice Detect Long
Term Power
Threshold
Voice Detect Short
Term Power Low
Threshold
Voice Detect Short
Term Power High
Threshold
Voice Detect Short
Term Power Average
Threshold
Power Cut Off Control
Mode
R/W
R/W
R/W
R/W
R/W
R/W
AGC Threshold
R/W
AGC Noise Threshold R/W
AGC Gain from AEC
R/W
AGC Gain Time
constant
R/W
AGC Gain Time
constant
R/W
Soft Clip Control
R/W
Soft Clip Normal Gain
Index
R/W
Soft Clip Low Gain
Index
R/W
Soft Clip Threshold
R/W
Soft Clip Power Time
Constant
R/W
Soft Clip Gain Time
Constant
R/W
Acoustic Suppression
1 Time Constant
R/W
Acoustic Suppression
1 attenuation
R/W
Acoustic Suppression
2 Time Constant
R/W
Acoustic Suppression
2 attenuation
R/W
Noise Suppressor
Control
R/W
Noise Suppressor
Gain Time Constant
R/W
Value At
Reset
0x1998
0x1998
0x0BA8
0x1038
0x0000
0x1998
0x2000
0x0320
0x02
0xBB
0x09
0x00
0x00
0x00
0x1000
0x07
0x07
0x77
0x1CA8
0x77
0x1CA8
0xBB
0xBB
Function
Set deviation power threshold of Voice Detect
Set power threshold for long term power estimation of
Voice Detect
Set Low power threshold for short term power
estimation of Voice Detect
Set high power threshold for short term power
estimation of Voice Detect
Set average power threshold for short term power
estimation of Voice Detect
Set zero reference bias for power cut off estimation
Set maximum output power of AGC
Set AGC calculated input power with time constant
Set maximum gain for post echo cancellation signal
Set delay time constant for long term gain estimation
Set delay time constant for short term gain estimation
Enable/Disable soft clip(SC) function
Set gain index of voice detect for soft clip module at
normal gain mode
Set gain index of voice detect for soft clip module at low
gain mode
Set threshold level to select soft clip gain mode
Set time constant for short term power calculation of
voice detect soft clip
Set time constant to smooth gain mode change of soft
clip
Set time constant of acoustic suppression (AS1) for
convergence towards target
Set maximum attenuation value for acoustic
suppression (AS1) algorithm
Set time constant of acoustic suppression (AS2) for
convergence towards target
Set maximum attenuation value for acoustic
suppression (AS2) algorithm
Set noise suppressor gain index and short term power
time constant
Set time constant for rise and fall of noise suppressor
gain index
17
Rev1.2